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| [3] | 1 | #ifndef ExRootTreeReader_h
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| 2 | #define ExRootTreeReader_h
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| 3 |
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| 4 | /** \class ExRootTreeReader
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| 5 | *
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| 6 | * Class simplifying access to ROOT tree branches
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| 7 | *
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| 8 | * $Date: 2008-11-04 10:32:26 $
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| 9 | * $Revision: 1.1 $
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| 10 | *
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| 11 | *
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| 12 | * \author S. Ovyn - UCL, Louvain-la-Neuve
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| 13 | *
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| 14 | */
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| 15 |
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| 16 | #include "TROOT.h"
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| 17 | #include "TChain.h"
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| 18 | #include "TFile.h"
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| 19 |
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| 20 | #include <map>
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| 21 |
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| 22 | class ExRootTreeReader
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| 23 | {
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| 24 | public :
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| 25 |
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| 26 | ExRootTreeReader(TTree *tree);
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| 27 | ~ExRootTreeReader();
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| 28 |
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| 29 | Long64_t GetEntries() const { return fChain ? static_cast<Long64_t>(fChain->GetEntries()) : 0; }
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| 30 | Bool_t ReadEntry(Long64_t entry);
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| 31 |
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| 32 | TClonesArray *UseBranch(const TString &branchName);
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| 33 |
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| 34 | private:
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| 35 |
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| 36 | void Init();
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| 37 | void Notify();
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| 38 |
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| 39 | TTree *fChain; // pointer to the analyzed TTree or TChain
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| 40 | Int_t fCurrentTree; // current Tree number in a TChain
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| 41 |
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| 42 | Bool_t fIsInitDone;
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| 43 |
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| 44 | typedef std::map<TString, std::pair<TBranch*, TClonesArray*> > TBranchMap;
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| 45 |
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| 46 | TBranchMap fBranchMap;
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| 47 | };
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| 48 |
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| 49 | #endif // ExRootTreeReader_h
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